Hacker News on 7 December 2019

• The Lesson to Unlearn
• Ask HN: What mistakes did you make when starting as a consultant/freelancer?
• The Product-Minded Software Engineer
• Great White Sharks Are Terrified of Orcas
• The rise and fall of the PlayStation supercomputers
• Deploy-your-own-SaaS: “only yours” cloud services for everyday needs
• Indexing Billions of Text Vectors
• “I lost my inheritance with one wrong digit on my sort code”
• Reducing the Performance Gap of Intel's MKL on AMD Threadripper
• Google management shuffle points to retreat from Alphabet experiment